Home / 1,316,026.08-1,816,028.93-764,692.90

Finding the Fourth Proportional to 1,316,026.08, 1,816,028.93 and 764,692.90

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Solution

The fourth proportional to 1,316,026.08, 1,816,028.93 and 764,692.90 is: 1,055,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,026.08 : 1,816,028.93 = 764,692.90 : x
  2. Step 2: Convert to fraction form
    1,316,026.08/1,816,028.93 = 764,692.90/x
  3. Step 3: Cross multiply
    1,316,026.08x = 1,816,028.93 × 764,692.90
  4. Step 4: Simplify right side
    1,316,026.08x = 1,388,704,426,337.26
  5. Step 5: Solve for x
    x = 1,388,704,426,337.26/1,316,026.08
  6. Step 6: Final answer
    x = 1,055,225.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.